how to get data from text file and plot line graph?
i need to get data from file "data.txt" and then plot two graph.one graph using the first column value from "data.txt" with third column value after 174=XXX, another graph using second column value with third column value after 174=XXX. Since my data is very big, so i hv two text box to let user select what data needed to plot in graph.
For example: if value textbox1=3.8566300, textbox2=100.81888000
i need to get data from (3.8566300 -0.0001) to (3.8566300+0.0001) from the file "data.txt" and plot the first graph.
Second graph is get the data from (100.81888-0.0001) to (100.81888+0.0001) and then plot the line graph.
By Inneedofhelp in forum .NET
Last Post: 02-11-2007, 09:30 AM
By oto45 in forum VB Classic
Last Post: 12-20-2006, 06:17 AM
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